Mountain Biking - newb tube question

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thetick1959
01-15-10, 09:06 AM
i want to put semi-slicks on for road training. Do I need to get different tubes or will the ones already on fit ?


helmut
01-15-10, 09:41 AM
Your current tubes have tread-knobs on them to fit into the knobs on your off-road tires. You'll need to buy smooth-sided tubes.

dstrong
01-15-10, 10:37 AM
Your current tubes have tread-knobs on them to fit into the knobs on your off-road tires. You'll need to buy smooth-sided tubes. :lol:

Fixed.

You're current tubes should be fine unless you dramatically change the width of the tire.


thetick1959
01-15-10, 02:20 PM
Your current tubes have tread-knobs on them to fit into the knobs on your off-road tires. You'll need to buy smooth-sided tubes.

My lbs is always out of those. Can you give me a link to where I can get those ?

Actually the reason I asked this was I spoke with 2 different sales people at my lbs and they gave me both opposite explanations.

Mr. Beanz
01-15-10, 02:39 PM
Most tubes had the size on the side of the box. Mine say 26X1.90-2.125...If I used slicks that were 1.50, I'd use the appropriate tubes.

Use the correct size to avoid any confusion. I know riders that don't, I just like it to be right.